Only one of those teams have a dominant prototypical NT (BJ Raji with Green Bay).

It's simply not necessary in with all these passing offenses. Add to that the fact you only have a player 4 yrs before free agency and the learning curve for defensive tackles is slower than any other position; it takes them a few years to become productive. So you draft a guy who sucks for 3 years and finally gets it in year 4 then lose him to free agency. Simply not worth it.

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"McCoy kept trying to force Tebow to play in his offense, gave up after a while, and had Tebow teach his teammates how to play in his offense.

That was 2011. Replace "Tebow" with "Manning" and it holds true for 2012."

Only one of those teams have a dominant prototypical NT (BJ Raji with Green Bay).

It's simply not necessary in with all these passing offenses. Add to that the fact you only have a player 4 yrs before free agency and the learning curve for defensive tackles is slower than any other position; it takes them a few years to become productive. So you draft a guy who sucks for 3 years and finally gets it in year 4 then lose him to free agency. Simply not worth it.

A dominant Nose Tackle is a big Key for a 34 defense. I remember when the Chargers were pretty solid on defense. They had a guy who was arguably one of the best NT's in the game by the name of Jamal Williams.

Only one of those teams have a dominant prototypical NT (BJ Raji with Green Bay).

It's simply not necessary in with all these passing offenses. Add to that the fact you only have a player 4 yrs before free agency and the learning curve for defensive tackles is slower than any other position; it takes them a few years to become productive. So you draft a guy who sucks for 3 years and finally gets it in year 4 then lose him to free agency. Simply not worth it.

That explains why Haloti Ngata, Isaac Sopoaga, and Ricky Jean- Francois are in the Superbowl.